Declension table of ?vasra

Masculine	Singular	Dual	Plural
Nominative	vasraḥ	vasrau	vasrāḥ
Vocative	vasra	vasrau	vasrāḥ
Accusative	vasram	vasrau	vasrān
Instrumental	vasreṇa	vasrābhyām	vasraiḥ vasrebhiḥ
Dative	vasrāya	vasrābhyām	vasrebhyaḥ
Ablative	vasrāt	vasrābhyām	vasrebhyaḥ
Genitive	vasrasya	vasrayoḥ	vasrāṇām
Locative	vasre	vasrayoḥ	vasreṣu

Compound vasra -

Adverb -vasram -vasrāt